Podcast
Questions and Answers
What is the purpose of OMR technology?
What is the purpose of OMR technology?
What type of technology recognizes text within a digital image?
What type of technology recognizes text within a digital image?
What is the use of MICR technology in bank cheques?
What is the use of MICR technology in bank cheques?
What is the purpose of character recognition technology?
What is the purpose of character recognition technology?
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What technology is used to convert physical paper documents into digital images?
What technology is used to convert physical paper documents into digital images?
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What is the main application of OCR technology?
What is the main application of OCR technology?
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What is the benefit of using MICR technology in bank cheques?
What is the benefit of using MICR technology in bank cheques?
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What is the purpose of implanting character recognition technology under human skin?
What is the purpose of implanting character recognition technology under human skin?
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What technology is used in computerized tests to scan and mark multiple-choice questions?
What technology is used in computerized tests to scan and mark multiple-choice questions?
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What is the main application of OMR technology?
What is the main application of OMR technology?
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Study Notes
Video Input
- Videos are essential for entertainment and creative work on computers
- Videos can be inputted into the computer by:
- Recording directly from a webcam
- Transferring from a cell phone, digital camera, or dedicated video camera
- Microsoft Windows provides a basic video editing program called Windows Movie Maker
- Apple's equivalent is iMovie
Audio Input
- Audio is an important type of input for users
- Audio can be used for:
- Recording and mixing music
- Recording narration for presentations and videos
- Inputting text in PowerPoint
- Giving computer commands
- To input live sound, a microphone is needed
- Most laptops have a built-in microphone, but desktop computers need an external microphone
- Voice recognition software, such as Dragon Home or Professional, allows users to give commands or dictate text to the computer
Voice Recognition
- Voice recognition software can learn to recognize the user's speech and pronunciation
- It is a great tool for users who are physically disabled
- Windows provides a basic program called Speech Recognition
Audio Output
- Clear output from computers is essential for the user experience
- Sound is used to:
- Give user feedback when interacting with the computer
- Help disabled people use computers by reading interface items aloud
- Make games more realistic
- Turn computers into entertainment devices by playing music and movies
- Modern computers have onboard sound circuitry that allows them to record and playback sound
- External speakers or headphones are needed to produce the sound
Data Projectors
- Data projectors are output devices that connect to a computer and project images onto a screen or wall
- They are useful for presenting to large groups of people
- Various projector models use different technologies
Character Recognition
- OMR (Optical Mark Recognition) is used for computerized tests like multiple-choice tests
- MICR (Magnetic Ink Character Recognition) is used for bank cheques to recognize account numbers and other information
- OCR (Optical Character Recognition) is used to recognize text within digital images, commonly used for scanned documents and images
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Description
This quiz covers the importance of videos and audios in computers for entertainment and creative work, including recording, editing, and sharing videos.
